Tag: Studies
Radar Speed Sign Application Guide
Use this visual radar speed sign installation guide for the most common applications on your streets, including recommendations for: Placement and detection of radar speed signs based on driver perception/reaction ranges at various speeds Sign legibility at various speeds and applications Assembly and installation options MUTCD guidelines for optional features and readability This guide references: […]
RRFBs: Thriving Through Regulatory Challenges to MUTCD Inclusion
RRFB has faced numerous challenges but has emerged stronger than ever This article explores the journey of rectangular rapid flashing beacon, or RRFB, highlighting their origins, the impact of interim approvals, and their current status as officially recognized enhancements in the Manual on Uniform Traffic Control Devices (MUTCD), 11th Edition. Origins R.D. Jones of […]
Understanding accessibility guidelines and standards for pedestrian safety infrastructure
>>>Want to learn about recent changes to accessibility standards in the US? Our partners at Polara have you covered on all things PROWAG ADAAG. PROWAG. MUTCD. It might seem like we’re bashing on our keyboards, but in fact these seemingly random characters represent some of the most important sources when it comes to accessible transportation […]
Mid-Block Crosswalk Accessibility Requirements Map
All pedestrian facilities—especially crosswalks—must be able to accommodate everyone, no matter their capability. Formally established as a requirement by the Americans with Disabilities Act (ADA) of 1990, standards such as the ADA Accessibility Guidelines (ADAAG), Public Rights-of-Way Accessibility Guidelines (PROWAG) and the Manual of Uniform Traffic Control Devices (MUTCD) detail various design and installation features […]
An Overview of Rectangular Rapid Flashing Beacon Cost and Effectiveness
Summary of RRFB cost and effectiveness An FHWA study shows RRFBs are proven to reduce crashes involving pedestrians by up to 47% (3). An FHWA study shows RRFBs consistently deliver impressive driver yielding rates of up to 96% (12). RRFB Crash Modification Factor: 0.53 for vehicle-pedestrian crashes in urban and suburban areas (11). The cost […]